<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link href="css/mao.css" rel="stylesheet">
</head>
<body>
    <form action="" method="POST" autocomplete>
        <div class="back" autofo>
            <img src="images/2.jpg" class="tu">
            <ul>
                <li><input type="text" autofocus placeholder="用户名" class="kuang"></li>
                <li><input type="password" autofocus placeholder="密码" class="kuang"></li>
                <li><input type="submit" value="登录" class="zi"></li>
            </ul>
        </div>
    </form>
</body>
</html>